polysyndactylyWiktionary 原文英美构词拆解polypoly-前缀synsyn-前缀dactylydactyly词干poly-many · polymersyn-identical · with, together词源说明From poly- + syn- + dactyly.释义名词noun1(teratology) polydactyly and syndactyly in the same hand or foot同族词派生词 1cephalopolysyndactyly